/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package food;

import entities.Foods;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.List;
import javax.ejb.EJB;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import session.FoodsFacadeLocal;

/**
 *
 * @author TANGQUOCTUAN
 */
public class initShowFood extends HttpServlet {
    @EJB
    private FoodsFacadeLocal foodsFacade;
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        PrintWriter out = response.getWriter();
        try {
            String action=request.getParameter("action");

           if(action.equals("Food")){
           ServletContext context=getServletContext();
           List<Foods> listFood = foodsFacade.findAll();
           context.setAttribute("listFood", listFood);
            System.out.println("afsdasdad"+listFood);
            request.getRequestDispatcher("ListFood.jsp").forward(request, response);
            }else if(action.equals("Vegetable")){
                Integer Veget=new Integer(request.getParameter("CaFoodID"));
                List vegetable = this.foodsFacade.getCaFoodID(Veget);
                ServletContext context=getServletContext();
                context.setAttribute("listFood", vegetable);
                request.getRequestDispatcher("ListFood.jsp").forward(request, response);
           }
        } finally { 
            out.close();
        }
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
